Public water system · MI2005169
ActiveDnr-Operation Service Ctr
At a glance
Dnr-Operation Service Ctr (PWSID MI2005169) is an active non-transient non-community water system in Otsego County, Michigan. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2001.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Dnr-Operation Service Ctr compare with other water systems in Otsego County?
By EPA's size categories, Dnr-Operation Service Ctr is a very small system (500 people or fewer). Otsego County has 119 active public water systems. Its population served is well below the county average of 175 people per system, and accounts for 0.1% of the 20,844 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Dnr-Operation Service Ctr is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Dnr-Operation Service Ctr?
EPA lists Dnr-Operation Service Ctr as owned by a state government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 14 of the 119 active systems in Otsego County (12%) are also owned by a state government.
Does Dnr-Operation Service Ctr have drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2001. The violations listed here began between January 1995 and January 2001. By type: 9 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 10 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2001-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2000-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1999-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1996-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Dnr-Operation Service Ctr: frequently asked questions
Who runs Dnr-Operation Service Ctr?
Dnr-Operation Service Ctr (PWSID MI2005169) is a non-transient non-community water system owned by a state government. It is regulated by the MI state drinking water program.
How many people does Dnr-Operation Service Ctr serve?
Dnr-Operation Service Ctr reports serving 30 people through 1 service connection in Otsego County, Michigan.
Where does Dnr-Operation Service Ctr get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Dnr-Operation Service Ctr have any drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2001. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Dnr-Operation Service Ctr's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2001. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Dnr-Operation Service Ctr's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dnr-Operation Service Ctr is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Otsego County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gaylord, City of | Otsego | 3,629 | Community | Groundwater |
| Mdot - Loon Lake Rest Area, R405 | Otsego | 1,001 | Transient non-community | Groundwater |
| Gaylord Evangelical Free Church | Otsego | 900 | Transient non-community | Groundwater |
| Mdot - Vanderbilt Rest Area | Otsego | 866 | Transient non-community | Groundwater |
| Hilltop Marathon | Otsego | 809 | Transient non-community | Groundwater |
| Waters Ez Mart | Otsego | 600 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Dnr-Operation Service Ctr, PWSID MI2005169, Michigan”, https://aquacensus.com/water-systems/michigan/dnr-operation-service-ctr-mi2005169 (data as of October 1, 2026).